Overview

overview

10

Static

static

8

2026081012...BE.exe

windows10-2004-x64

10

2026081012...BE.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    20260810124517.A8F39C2D71BE.zip
  • Size 394KB
  • Sample260810-g3x1dasfma
  • SHA256 c949596ac7491216ee1b13c3e10c9b31313bbd5c15b7d8ebb972cd8a0b738d63
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoveryexecutionpersistencerevoked_codesign

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 170.62.130.47:449

  • 170.62.130.47:443

Targets

    • Target
      20260810124517.A8F39C2D71BE.exe
    • Size 1.5MB
    • SHA256 646644adb0021c660b1d4410bca0976ca01f29ed0f109807f13ee9620b8d7625
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryexecutionvalleyrat_s2persistence

    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks